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Bell Crank and Odds n’ Ends

April 16, 2012

My last real task was to assemble the bell crank.  It really wasn’t a big deal.  I did have to scratch my head a few times and stare at the diagram a bit.  There is a lot going on here, and you want to get it right.  Once I found all the hardware and got it all put together it worked fine.

Action shot of me working on it.

Here is the assembled bell crank

I haven’t tightened down any of the nuts on the bell crank or the aileron.  I have a feeling that I’ll be disassembling things before it is all said and done.  Actually, I am sure I’ll be disassembling it, since I still have to rivet the skins on.  Everyone says that the riveting goes a lot easier when the bars aren’t in there.

Once this was done I could get my aileron pushrod adjusted.  If you look in the picture above, you’ll see some blue plastic on a piece.  This is a jig that will put the bell crank in neutral.  From here its just a simple mater of screwing that smaller pushrod in or out to get the aileron in neutral.  How do you know you have it right?

The tip of the aileron falls between the lines.

You know you have it right when the tip of the aileron is in the middle of these lines.  The wooden piece I made at the beginning of the wing build.

After the bell crank it is just doing odds n’ ends to get the wing finished.

  • dimple the bottom skins
  • fit the flap hinge
  • replace some rivets that I didn’t do before.
  • build a wing stand
  • rent a storage unit
  • move completed wing and maybe other parts to storage.

After I get these steps done, then I can start on the new wing.  It requires much will power to not just jump ahead.

From → Build Log, Wings

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